GEOS  3.8.0dev
IteratedNoder.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
7  *
8  * This is free software; you can redistribute and/or modify it under
9  * the terms of the GNU Lesser General Public Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************
14  *
15  * Last port: noding/IteratedNoder.java r591 (JTS-1.12+)
16  *
17  **********************************************************************/
18 
19 #ifndef GEOS_NODING_ITERATEDNODER_H
20 #define GEOS_NODING_ITERATEDNODER_H
21 
22 #include <geos/export.h>
23 
24 #include <vector>
25 #include <iostream>
26 
27 #include <geos/inline.h>
28 
29 #include <geos/algorithm/LineIntersector.h>
30 #include <geos/noding/SegmentString.h> // due to inlines
31 #include <geos/noding/Noder.h> // for inheritance
32 
33 // Forward declarations
34 namespace geos {
35 namespace geom {
36 class PrecisionModel;
37 }
38 }
39 
40 namespace geos {
41 namespace noding { // geos::noding
42 
55 class GEOS_DLL IteratedNoder : public Noder { // implements Noder
56 
57 private:
58  static const int MAX_ITER = 5;
59 
60 
61  const geom::PrecisionModel* pm;
63  std::vector<SegmentString*>* nodedSegStrings;
64  int maxIter;
65 
70  void node(std::vector<SegmentString*>* segStrings,
71  int* numInteriorIntersections);
72 
73 public:
74 
76  :
77  pm(newPm),
78  li(pm),
79  maxIter(MAX_ITER)
80  {
81  }
82 
83  ~IteratedNoder() override {}
84 
94  void
96  {
97  maxIter = n;
98  }
99 
100  std::vector<SegmentString*>*
101  getNodedSubstrings() const override
102  {
103  return nodedSegStrings;
104  }
105 
106 
116  void computeNodes(std::vector<SegmentString*>* inputSegmentStrings) override; // throw(GEOSException);
117 };
118 
119 } // namespace geos::noding
120 } // namespace geos
121 
122 
123 #endif // GEOS_NODING_ITERATEDNODER_H
Nodes a set of SegmentStrings completely.
Definition: IteratedNoder.h:55
Specifies the precision model of the Coordinate in a Geometry.
Definition: PrecisionModel.h:87
A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...
Definition: LineIntersector.h:49
std::vector< SegmentString * > * getNodedSubstrings() const override
Returns a Collection of fully noded SegmentStrings. The SegmentStrings have the same context as their...
Definition: IteratedNoder.h:101
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:25
Computes all intersections between segments in a set of SegmentString.
Definition: Noder.h:49
void setMaximumIterations(int n)
Definition: IteratedNoder.h:95